Eugène Mayor (7 June 1877, Neuchâtel – 14 September 1976, Neuchâtel) was a Swiss physician and mycologist.

He studied medicine in Geneva, and from 1906 worked as a physician in his hometown of Neuchâtel. In 1910, with parasitologist Otto Fuhrmann, he embarked on a scientific expedition to Colombia, about which, the book "Voyage d'exploration scientifique en Colombie" was written. From 1913 to 1942 he served as a physician at the cantonal hospice of Perreux-sur-Boudry (Neuchâtel).^[1]

During his career he received honorary degrees form the universities of Bern and Neuchâtel. From 1912 to 1914 he was president of the Société Neuchâteloise des Sciences Naturelles.^[1] He was the author of numerous articles on mycology (Notes mycologiques) in the publication, "Bulletin de la Société Neuchâteloise".^[2]

Selected works

• Contribution a l’étude des champignons du Canton de Neuchâtel, 1911 – Contribution to the study of fungi of the canton of Neuchâtel.
• Recherches expérimentales sur quelques urédinées hétéroiques, 1911 – Experimental research on some heteroecious rusts.
• Contribution à l’étude de la flore cryptogamique du Canton du Valais, 1911 (with Denis Cruchet, Paul Cruchet) – Contribution to the study of cryptogamic flora of the canton of Valais.
• Contribution à l’etude des urédinées de Colombie, 1913 – Contribution to the study of rusts of Colombia.
• Les maladies de nos cultures maraichères, 1915.
• Contribution à l’étude des micromycètes de Languedoc et de Provence, 1949 (with Georges Viennot-Bourgin) – Contribution to the study of microfungi of Languedoc and Provence.
• Contribution à l’étude des micromycètes de Corse, 1950 (with Georges Viennot-Bourgin) – Contribution to the study of microfungi of Corsica.
• Contribution à la connaissance de micromycètes de la Côte d’Ivoire, 1951 (with Georges Viennot-Bourgin) – Contribution to the knowledge of microfungi of the Ivory Coast.^[2]

References